"A Relic-master can deconstruct this item, unsealing the Tier 4 relics locked within."
This item is also a random drop from the:
Elegant Gift Box
You can win this item from the Lottery: Lottery of the Stalwart and/or Lottery of the Devout and/or Lottery of Rhovanion and/or Lottery of the Depths of which you can enter at http://my.lotro.com/home/lottery.